this article mainly introduces Caterpillar 311F LRR- JFT Crawler Excavator Engine Crankshaft front oil seal-Remove and install
Removing steps
begin:
A. Remove the crankshaft pulley. For the correct steps, see Disassembly and Assembly, “Crankshaft pulley –” Removing and Installation.
pay attention to
When inspecting, maintaining, testing, adjusting and repairing products, be careful to ensure that the liquid is held in the container. Prepare liquid collection in a suitable container before opening any chamber or disassembling any part that store liquid.
Dispose of all liquids in accordance with local regulations and instructions.
pay attention to
Keep all the parts clean without impurities.
Impurities can cause rapid wear and shorten component life.
1. Apply tool (A) with clean grease to prevent any debris from entering the engine.tool using
(A), three equiometric holes are drilled into the front crankshaft oil seal (1).
2. Carefully use the tool (B) to remove the crankshaft front oil seal (1) from the front cover (3) and the crankshaft pulley adapter (2).
Rotate the position of the tool (B) from one hole to another. Position of the rotation tool (B) to remove the easier crankshaft front oil seal from the crankshaft.
3. Use the tools (C) to collect any chips entering the engine.
Installation steps
pay attention to
Keep all the parts clean without impurities.
Impurities can cause rapid wear and shorten component life.
1. Ensure that the crankshaft belt pulley adapter and front cover are clean without oil and damage.
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Section view of crankshaft front oil seal, crankshaft pulley adapter and mounting tools
2. Use the tools (D) and follow step 2. A to 2. F, to install the crankshaft front oil seal (1).
a. Position the adapter of tool (D) to the crankshaft belt adapter and bolt.
b. Position the new crankshaft front oil seal (1) to the crankshaft front, above the adapter.
c. Align the oil seal mounting tool of the tool (D) with the crankshaft.
Note: Check that the installation tool of the tool (D) is parallel to the adapter.
d. Install the nuts and washer on the positioning tool.
e. Tighten the nuts until the mounting tool drops to the lowest adapter point to install the crankshaft front oil seal (1) to the front
In the cover (3), on the crankshaft pulley adapter (2).
f. Remove the tool (D).
End By: Install the crankshaft pulley. For the correct steps, see Disassembly and Assembly, “Crankshaft pulley-Removing and installing”.
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